Earth's Structure

True or false: The asthenosphere is part of the lithosphere.

• True

• False

Which of the following correctly sequences Earth's structural layers from the surface to the center ?

• core, mantle, crust

• crust, mantle, core

• inner core, outer core, mesosphere, asthenosphere, lithosphere

• lithosphere, asthenosphere, mesosphere, outer core, inner core

Which of the following lists Earth's compositional layers starting with Earth's center and ending with the outermost layer.

• mantle, crust, core

• crust, mantle, core

• crust, core, mantle

• core, mantle, crust.

Which compositional layer is made up of iron and nickel?

• Crust

• Mantle

• Core

• Lithosphere

What are the two types of crust?

• top crust,bottom crust
• oceanic crust, continental crust
• water,land
• none of the above 

Which structural layer of Earth is liquid metal?

• Outer Core

• Mantle

• Inner Core

• Asthenosphere

Pressure and temperature ________ as you move deeper below Earth's surface.

• increase

• decrease

• stay the same

Vibrations that travel through Earth are called

• electromagnetic waves

• seismic waves

• transverse waves

• longitudinal waves

What is the outermost layer of the Earth called?

• mantle

• crust

• inner core

• outer core

What is the layer that is below the crust, denser, and makes up 2/3 of the Earth's mass?

• inner core

• outer core

• mantle

• sphere